Solve.If y varies directly with x and inversely as z and y = 10 when x = 5 and z = 3, find y when x = 6 and z = 12.
A. 6
B. 
C. 3
D. 4
Answer: C
Mathematics
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Compare the graph of f(x) with the graph of y = x2.f(x) = - 
x2
A. Reflected across the x-axis and narrower B. Reflected across the y-axis and narrower C. Reflected across the y-axis and wider D. Reflected across the x-axis and wider
Mathematics
Find the vertical asymptote(s) of the graph of the given function. g(x) = 
A. y = -3 B. y = 9 C. x = 9 D. x = -3
Mathematics
Solve and graph. Write the solution set in interval notation.4x > 4 and x + 5 < 5
A. (-?, 0) ? (1, ?)
B. (-1, ?)
C. (0, 1)
D. ?
Mathematics
Write the expression in the standard form a + bi.
A. -1 - i B. -1 + i C. -1 + 2i D. 1 + i
Mathematics